Barbatia trapezina

Molluscs
IUCN: Not evaluated

Usual depth6–150 m
Water temperature13–30 °C
Best monthsJanuary and February
How commonRare

All species

Photo credit: (c) Manuel CABALLER, some rights reserved (CC BY) · CC BY · iNaturalist

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 19 records
February: 19 records
March: 6 records
April: 2 records
May: 4 records
June: 1 records
July: 7 records
August: 5 records
September: 5 records
October: 4 records
November: 1 records
December: 4 records

Depth and water temperature

Depth

Mostly recorded at 6–150 m · Deepest record: 150 m

0–10 m: 1 records
10–20 m: 0 records
20–30 m: 0 records
30–40 m: 0 records
40–50 m: 0 records
50–60 m: 0 records
60–70 m: 0 records
70–80 m: 0 records
80–90 m: 0 records
90–100 m: 0 records
100–110 m: 1 records
110+ m: 1 records

Water temperature

Recorded in surface water of 13–30 °C

12–14 °C: 1 records
14–16 °C: 0 records
16–18 °C: 1 records
18–20 °C: 4 records
20–22 °C: 1 records
22–24 °C: 15 records
24–26 °C: 13 records
26–28 °C: 15 records
28–30 °C: 45 records

Photos

Names and classification

Other scientific names: Arca areolata, Arca lima, Arca trapezina, Barbatia (Abarbatia) lima, Barbatia (Abarbatia) trapezina, Barbatia lima, Barbatia oblonga, Barbatia petersii

Similar species

Burnt-almond ark
Barbatia amygdalumtostum
Divaricated Ark
Acar plicata
Antique ark
Anadara antiquata
Indo-Pacific Ark
Arca navicularis
Truncated Ark
Lamarcka ventricosa
Anadara cornea

Sources and credits

Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).

Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
Conservation status as published by GBIF (IUCN Red List).
116 open-data records from 1844 to 2022.
Species data updated October 26, 2026.

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